Operator's Manual
98 WS-OM-E Rev B
List of Parameters
The following table describes the instrument parameters. Availability of some parameters
depends on the options installed. See the comments in the "Notes" column of the table.
Parameter Description Definition Notes
Amplitude Measures the difference
between upper and lower levels
in two-level signals. Differs from
pkpk in that noise, overshoot,
undershoot, and ringing do not
affect the measurement.
top base On signals not having
two major levels (such
as triangle or saw-tooth
waves), returns same
value as pkpk.
Area Integral of data: Computes area
of waveform between cursors
relative to zero level. Values
greater than zero contribute
positively to the area; values
less than zero negatively.
Sum from first to last of
data multiplied by
horizontal time between
points
Base Lower of two most probable
states (higher is top). Measures
lower level in two-level signals.
Differs from min in that noise,
overshoot, undershoot, and
ringing do not affect
measurement.
Value of most probable
lower state
On signals not having
two major levels
(triangle or saw-tooth
waves, for example),
returns same value as
min.
Delay Time from trigger to transition:
Measures time between trigger
and first 50% crossing after left
cursor. Can measure
propagation delay between two
signals by triggering on one and
determining delay of other.
Time between trigger
and first 50% crossing
after left cursor
Duty cycle Duty cycle: Width as percentage
of period.
width/period
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